CaratHunter
Plans
Radiant|Natural|IGI

0.63ct J SI1 Radiant Natural Diamond

EX • J/SI1 • IGI 774682276

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI 774682276

Diamond specifications and retailer prices

From $485 USD
As of November 1, 2026
Save $1,159 USD (70%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $1,644 USD at NZ Jewellers · As of November 3, 2026
View at NZ Jewellers

About this 0.63ct natural radiant diamond

This 0.63ct natural radiant sits in the half to three-quarter carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI 774682276. Listed at 12 retailers as of November 1, 2026, with prices from $485 to $1,644, a $1,159 spread on the same certified stone. NZ Jewellers lists it at $1,644. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

0.63
Carat
J
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36.2°
Pavilion angle34°
OriginNatural
Grading LabIGI
CertificateIGI 774682276
Dimensions6.24 × 4.25 × 2.80 mm
L/W Ratio1.47
Culet sizePointed
Top View
6.24 mm4.25 mm0.63 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 774682276
Side View
Table 64.0%Crown 36.2°Girdle: MED-STKPavilion 34°Culet: NoneDepth 65.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $1,644 USD|Low: $485 USD|High: $1,695 USD|Avg: $774 USD|-3.0%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 7, 2026
Retailer 11$485 USD
Retailer 9$524 USD
Retailer 4$526 USD
Retailer 10$566 USD
Retailer 3$568 USD
Retailer 2$610 USD
Retailer 6$703 USD
Retailer 7$720 USD
Retailer 8$785 USD
Retailer 5$791 USD
Retailer 12$1,212 USD
NZ Jewellers$1,644 USD

31 data points across 12 retailers

12 retailers$485 USD to $1,644 USD

A
Cheapest Retailer
-
$485 USD
A
Retailer 2
-
$524 USD
View
A
Retailer 3
-
$526 USD
View
Final sale: no returns
A
Retailer 4
-
$566 USD
View
Retailer 5
-
$568 USD
View
Price last confirmed 9 days ago
A
Retailer 6
-
$610 USD
View
B+
Retailer 7
-
$703 USD
View
B+
Retailer 8
-
$720 USD
View
B+
Retailer 9
-
$785 USD
View
B+
Retailer 10
-
$791 USD
View
B
Retailer 11
-
$1,212 USD
View
Most Expensive
B
NZ Jewellers
28b49dfb-86ec-4cdf-bc00-ca1aaf6698a9 · Nov 3
$1,644 USD
View
11 more retailers have this diamond
Prices start from $485 USDSave up to $1,159 USD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
0.63ct Radiant
$485 USD